865193830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{20023}}^1$

素因数の和:20208

約数の個数: 32

約数和(自身を含む): 1621944000

約数和(自身を除く): 756750170

約数列:

[1, 2, 5, 10, 29, 58, 145, 149, 290, 298, 745, 1490, 4321, 8642, 20023, 21605, 40046, 43210, 100115, 200230, 580667, 1161334, 2903335, 2983427, 5806670, 5966854, 14917135, 29834270, 86519383, 173038766, 432596915, 865193830]

約数ペア:

[(1, 865193830), (2, 432596915), (5, 173038766), (10, 86519383), (29, 29834270), (58, 14917135), (145, 5966854), (149, 5806670), (290, 2983427), (298, 2903335), (745, 1161334), (1490, 580667), (4321, 200230), (8642, 100115), (20023, 43210), (21605, 40046)]